bash: can I cd from a script

[David selby]

I have a script to show a certain directory, it would be great if that 
script could change my pwd to that directory.

Inside my script is a cd /usr/lo....., however since the script 
automaticly runs in a subshell, when it ends my directory has not changes.

I have tries
export PWD=/usr/lo....
no go...

source <scriptname> works but is clumbs

Is there a way to get round this ?
Dave


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